(sorry Brazilians, MOD moded me for not writing in english)
this chart takes the average price in Brazil using Foxbit and Mercado Bitcoin, while giving 3 times more weight to Foxbit (Bitcoin2you was left out because it produces crazy charts) and compares it to Bitfinex's chart (which is multiplied by the USDBRL ...

joiny(BTCBRL+BTCBRL+BTCBRL+BTCBRL+BTCBRL)/5-BTCUSD*USDBRL, 60, a year ago